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Altair vs Panel

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AltairData Visualization Libraries

PanelData Visualization Libraries

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Price

Free

Data Visualization Libraries

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Free

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Data Visualization Libraries

Overview

Focus

Data Visualization Libraries

Product

Declarative statistical visualization library for Python based on Vega-Lite specification.

Open-source Python library for building interactive apps, dashboards, and reports from Jupyter notebooks.

Website

Headquarters

Seattle, Washington

Austin, Texas

Company size

2-10 employees

11-50 employees

Founded

2016

2019

Pricing details

Published rate

Free

Free options

Free plan, Free trial

Source updated

Oct 29, 2026

Nov 2, 2026

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